diff --git a/encoding/gjson/gjson_implements.go b/encoding/gjson/gjson_implements.go
index 60e146885..36dd0545f 100644
--- a/encoding/gjson/gjson_implements.go
+++ b/encoding/gjson/gjson_implements.go
@@ -13,7 +13,10 @@ func (j Json) MarshalJSON() ([]byte, error) {
 
 // UnmarshalJSON implements the interface UnmarshalJSON for json.Unmarshal.
 func (j *Json) UnmarshalJSON(b []byte) error {
-	r, err := LoadContent(b)
+	r, err := loadContentWithOptions(b, Options{
+		Type:      ContentTypeJson,
+		StrNumber: true,
+	})
 	if r != nil {
 		// Value copy.
 		*j = *r
diff --git a/encoding/gjson/gjson_z_unit_test.go b/encoding/gjson/gjson_z_unit_test.go
index 6691024c6..7f7726301 100644
--- a/encoding/gjson/gjson_z_unit_test.go
+++ b/encoding/gjson/gjson_z_unit_test.go
@@ -15,6 +15,7 @@ import (
 	"github.com/gogf/gf/v2/encoding/gjson"
 	"github.com/gogf/gf/v2/frame/g"
 	"github.com/gogf/gf/v2/test/gtest"
+	"github.com/gogf/gf/v2/util/gconv"
 )
 
 func Test_New(t *testing.T) {
@@ -576,3 +577,13 @@ func Test_Issue1617(t *testing.T) {
 		})
 	})
 }
+
+// https://github.com/gogf/gf/issues/1747
+func Test_Issue1747(t *testing.T) {
+	gtest.C(t, func(t *gtest.T) {
+		var j *gjson.Json
+		err := gconv.Struct(gvar.New("[1, 2, 336371793314971759]"), &j)
+		t.AssertNil(err)
+		t.Assert(j.Get("2"), `336371793314971759`)
+	})
+}